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20210821 - Filament data for 05 UTC
Available data for 20210821: »05 UTC   »06 UTC   »07 UTC   »08 UTC   »09 UTC   »10 UTC   »11 UTC   »12 UTC   »13 UTC  
Click on image to open sensitive map! 
 
  Color  xc   yc  (LatLon LCarr)  Area Length Branches (  x0/y0     x1/y1  )  Tilt Location
      1 1218 1768 (N50W42 L=136)   585    104        2 (1187/1710-1236/1808)  56.3 W37-W47 N44-N53
      2  453 1486 (N46E39 L= 54)  2975    407        8 ( 377/1378- 577/1566) -21.0 E51-E25 N39-N53
      3  554  396 (S25E49 L= 45)   836    109        4 ( 512/ 352- 605/ 432) -60.3 E52-E45 S28-S21
      4 1156  183 (S58E15 L= 79)   906     89        3 (1128/ 141-1185/ 214)  63.4 E20-E10 S64-S52
      5 1056  144 (S60E30 L= 64)   727     77        1 (1040/ 104-1075/ 186)  41.4 E42-E24 S68-S53
Download Binary data for this image

» All Filament Data of 20210821 ... 		IDL code for reading binary data: 
    OPENR, u, binfile, /COMP, /GET_LUN
    head = FLTARR(6) ;[xsize,ysize,radius,hh,mm,ss]
    READU, u, head
    data = INTARR(FIX(head[0]),FIX(head[1]))
    READU, u, data
    FREE_LUN, u
  • each filament has the value of Fil_ID
  • all values are in pixel
to get the area of a filament: 
  c = WHERE(data EQ Fil_ID, area)
  f = '(2(A,I6))'
  PRINT, FORM=f, "Area of Fil_ID", Fil_ID," =", area
be careful: y-origin is upper left! you can transpose the data: 
  data = ROTATE(data,7)
  Solar_y = 2048-Solar_y

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